<html>
	<head>
		<meta charset="utf-8"/>
		<script src="http://localhost:8080/video_test/d3.min.js"></script>
		<title>测试一下自己画柱状图</title>
		<style>
		  rect {
			fill: steelblue;
		  }
		  text {
		    font-size: 1.5em;
		  }
		
		</style>
	</head>
		
	<body>
		<svg width="960" height="500" >
			
		</svg>
	</body>
	<script src="./index.js" charset="utf-8">
		
	
	</script>
</html>